Home / 779,887,904.65-1,076,360,820.06-493,806,021.64

Finding the Fourth Proportional to 779,887,904.65, 1,076,360,820.06 and 493,806,021.64

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Solution

The fourth proportional to 779,887,904.65, 1,076,360,820.06 and 493,806,021.64 is: 681,525,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,887,904.65 : 1,076,360,820.06 = 493,806,021.64 : x
  2. Step 2: Convert to fraction form
    779,887,904.65/1,076,360,820.06 = 493,806,021.64/x
  3. Step 3: Cross multiply
    779,887,904.65x = 1,076,360,820.06 × 493,806,021.64
  4. Step 4: Simplify right side
    779,887,904.65x = 531,513,454,402,996,480
  5. Step 5: Solve for x
    x = 531,513,454,402,996,480/779,887,904.65
  6. Step 6: Final answer
    x = 681,525,449.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.